1 /* ARM ELF support for BFD.
2    Copyright (C) 1998-2020 Free Software Foundation, Inc.
3 
4    This file is part of BFD, the Binary File Descriptor library.
5 
6    This program is free software; you can redistribute it and/or modify
7    it under the terms of the GNU General Public License as published by
8    the Free Software Foundation; either version 3 of the License, or
9    (at your option) any later version.
10 
11    This program is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14    GNU General Public License for more details.
15 
16    You should have received a copy of the GNU General Public License
17    along with this program; if not, write to the Free Software Foundation,
18    Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
19 
20 #ifndef _ELF_ARM_H
21 #define _ELF_ARM_H
22 
23 #include "elf/reloc-macros.h"
24 
25 /* Processor specific flags for the ELF header e_flags field.  */
26 
27 /* Old ABI (ie GNU pre EABI).  These are deprecated.  */
28 #define EF_ARM_RELEXEC     0x01
29 #define EF_ARM_INTERWORK   0x04
30 #define EF_ARM_APCS_26     0x08
31 #define EF_ARM_APCS_FLOAT  0x10
32 #define EF_ARM_PIC         0x20
33 #define EF_ARM_ALIGN8	   0x40		/* 8-bit structure alignment is in use.  */
34 #define EF_ARM_NEW_ABI     0x80
35 #define EF_ARM_OLD_ABI     0x100
36 #define EF_ARM_SOFT_FLOAT  0x200
37 #define EF_ARM_VFP_FLOAT   0x400
38 #define EF_ARM_MAVERICK_FLOAT 0x800
39 
40 /* Frame unwind information */
41 #define PT_ARM_EXIDX (PT_LOPROC + 1)
42 
43 /* Old ARM ELF spec. version B-01.  Mostly deprecated.  */
44 #define EF_ARM_SYMSARESORTED 0x04	/* NB conflicts with EF_INTERWORK.  */
45 #define EF_ARM_DYNSYMSUSESEGIDX 0x08	/* NB conflicts with EF_APCS26.  */
46 #define EF_ARM_MAPSYMSFIRST 0x10	/* NB conflicts with EF_APCS_FLOAT.  */
47 
48 /* New constants defined in the ARM ELF spec. version XXX (AAELF).
49    Only valid in conjunction with EF_ARM_EABI_VER5. */
50 #define EF_ARM_ABI_FLOAT_SOFT 0x200	/* NB conflicts with EF_ARM_SOFT_FLOAT.  */
51 #define EF_ARM_ABI_FLOAT_HARD 0x400	/* NB conflicts with EF_ARM_VFP_FLOAT.  */
52 
53 /* Constants defined in AAELF.  */
54 #define EF_ARM_BE8	    0x00800000
55 #define EF_ARM_LE8	    0x00400000
56 
57 #define EF_ARM_EABIMASK      0xFF000000
58 #define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK)
59 #define EF_ARM_EABI_UNKNOWN  0x00000000
60 #define EF_ARM_EABI_VER1     0x01000000
61 #define EF_ARM_EABI_VER2     0x02000000
62 #define EF_ARM_EABI_VER3     0x03000000
63 #define EF_ARM_EABI_VER4     0x04000000
64 #define EF_ARM_EABI_VER5     0x05000000
65 
66 /* Local aliases for some flags to match names used by COFF port.  */
67 #define F_INTERWORK	   EF_ARM_INTERWORK
68 #define F_APCS26	   EF_ARM_APCS_26
69 #define F_APCS_FLOAT	   EF_ARM_APCS_FLOAT
70 #define F_PIC              EF_ARM_PIC
71 #define F_SOFT_FLOAT	   EF_ARM_SOFT_FLOAT
72 #define F_VFP_FLOAT	   EF_ARM_VFP_FLOAT
73 
74 /* Additional symbol types for Thumb.  */
75 #define STT_ARM_TFUNC      STT_LOPROC   /* A Thumb function.  */
76 #define STT_ARM_16BIT      STT_HIPROC   /* A Thumb label.  */
77 
78 /* Additional section types.  */
79 #define SHT_ARM_EXIDX	       0x70000001	/* Section holds ARM unwind info.  */
80 #define SHT_ARM_PREEMPTMAP     0x70000002	/* Section pre-emption details.  */
81 #define SHT_ARM_ATTRIBUTES     0x70000003	/* Section holds attributes.  */
82 #define SHT_ARM_DEBUGOVERLAY   0x70000004	/* Section holds overlay debug info.  */
83 #define SHT_ARM_OVERLAYSECTION 0x70000005	/* Section holds GDB and overlay integration info.  */
84 
85 /* ARM-specific values for sh_flags.  */
86 #define SHF_ENTRYSECT      0x10000000   /* Section contains an entry point.  */
87 #define SHF_ARM_PURECODE   0x20000000   /* Section contains only code and no data.  */
88 #define SHF_COMDEF         0x80000000   /* Section may be multiply defined in the input to a link step.  */
89 
90 /* ARM-specific program header flags.  */
91 #define PF_ARM_SB          0x10000000   /* Segment contains the location addressed by the static base.  */
92 #define PF_ARM_PI          0x20000000   /* Segment is position-independent.  */
93 #define PF_ARM_ABS         0x40000000   /* Segment must be loaded at its base address.  */
94 
95 /* Values for the Tag_CPU_arch EABI attribute.  */
96 #define TAG_CPU_ARCH_PRE_V4	0
97 #define TAG_CPU_ARCH_V4		1
98 #define TAG_CPU_ARCH_V4T	2
99 #define TAG_CPU_ARCH_V5T	3
100 #define TAG_CPU_ARCH_V5TE	4
101 #define TAG_CPU_ARCH_V5TEJ	5
102 #define TAG_CPU_ARCH_V6		6
103 #define TAG_CPU_ARCH_V6KZ	7
104 #define TAG_CPU_ARCH_V6T2	8
105 #define TAG_CPU_ARCH_V6K	9
106 #define TAG_CPU_ARCH_V7		10
107 #define TAG_CPU_ARCH_V6_M	11
108 #define TAG_CPU_ARCH_V6S_M	12
109 #define TAG_CPU_ARCH_V7E_M	13
110 #define TAG_CPU_ARCH_V8		14
111 #define TAG_CPU_ARCH_V8R	15
112 #define TAG_CPU_ARCH_V8M_BASE	16
113 #define TAG_CPU_ARCH_V8M_MAIN	17
114 #define TAG_CPU_ARCH_V8_1M_MAIN 21
115 #define MAX_TAG_CPU_ARCH	TAG_CPU_ARCH_V8_1M_MAIN
116 /* Pseudo-architecture to allow objects to be compatible with the subset of
117    armv4t and armv6-m.  This value should never be stored in object files.  */
118 #define TAG_CPU_ARCH_V4T_PLUS_V6_M (MAX_TAG_CPU_ARCH + 1)
119 
120 /* Relocation types.  */
121 
122 START_RELOC_NUMBERS (elf_arm_reloc_type)
123 /* AAELF official names and numbers.  */
124   RELOC_NUMBER (R_ARM_NONE,            	  0)
125   RELOC_NUMBER (R_ARM_PC24,            	  1)   /* deprecated */
126   RELOC_NUMBER (R_ARM_ABS32,           	  2)
127   RELOC_NUMBER (R_ARM_REL32,           	  3)
128   RELOC_NUMBER (R_ARM_LDR_PC_G0,       	  4)
129   RELOC_NUMBER (R_ARM_ABS16,           	  5)
130   RELOC_NUMBER (R_ARM_ABS12,           	  6)
131   RELOC_NUMBER (R_ARM_THM_ABS5,        	  7)
132   RELOC_NUMBER (R_ARM_ABS8,            	  8)
133   RELOC_NUMBER (R_ARM_SBREL32,         	  9)
134   RELOC_NUMBER (R_ARM_THM_CALL,        	 10)
135   RELOC_NUMBER (R_ARM_THM_PC8,         	 11)
136   RELOC_NUMBER (R_ARM_BREL_ADJ,	       	 12)
137   RELOC_NUMBER (R_ARM_TLS_DESC,          13)
138   RELOC_NUMBER (R_ARM_THM_SWI8,        	 14)   /* obsolete */
139   RELOC_NUMBER (R_ARM_XPC25,           	 15)   /* obsolete */
140   RELOC_NUMBER (R_ARM_THM_XPC22,       	 16)   /* obsolete */
141   RELOC_NUMBER (R_ARM_TLS_DTPMOD32,    	 17)
142   RELOC_NUMBER (R_ARM_TLS_DTPOFF32,    	 18)
143   RELOC_NUMBER (R_ARM_TLS_TPOFF32,     	 19)
144   RELOC_NUMBER (R_ARM_COPY,            	 20)   /* Copy symbol at runtime.  */
145   RELOC_NUMBER (R_ARM_GLOB_DAT,        	 21)   /* Create GOT entry.  */
146   RELOC_NUMBER (R_ARM_JUMP_SLOT,       	 22)   /* Create PLT entry.  */
147   RELOC_NUMBER (R_ARM_RELATIVE,        	 23)   /* Adjust by program base.  */
148   RELOC_NUMBER (R_ARM_GOTOFF32,        	 24)   /* 32 bit offset to GOT.  */
149   RELOC_NUMBER (R_ARM_BASE_PREL,       	 25)   /* 32 bit PC relative offset to GOT.  */
150   RELOC_NUMBER (R_ARM_GOT_BREL,        	 26)   /* 32 bit GOT entry.  */
151   RELOC_NUMBER (R_ARM_PLT32,           	 27)   /* deprecated - 32 bit PLT address.  */
152   RELOC_NUMBER (R_ARM_CALL,            	 28)
153   RELOC_NUMBER (R_ARM_JUMP24,          	 29)
154   RELOC_NUMBER (R_ARM_THM_JUMP24,      	 30)
155   RELOC_NUMBER (R_ARM_BASE_ABS,        	 31)
156   RELOC_NUMBER (R_ARM_ALU_PCREL7_0,    	 32)   /* obsolete */
157   RELOC_NUMBER (R_ARM_ALU_PCREL15_8,   	 33)   /* obsolete */
158   RELOC_NUMBER (R_ARM_ALU_PCREL23_15,  	 34)   /* obsolete */
159   RELOC_NUMBER (R_ARM_LDR_SBREL_11_0,  	 35)   /* deprecated, should have _NC suffix */
160   RELOC_NUMBER (R_ARM_ALU_SBREL_19_12, 	 36)   /* deprecated, should have _NC suffix */
161   RELOC_NUMBER (R_ARM_ALU_SBREL_27_20, 	 37)   /* deprecated, should have _CK suffix */
162   RELOC_NUMBER (R_ARM_TARGET1,         	 38)
163   RELOC_NUMBER (R_ARM_SBREL31,         	 39)   /* deprecated */
164   RELOC_NUMBER (R_ARM_V4BX,            	 40)
165   RELOC_NUMBER (R_ARM_TARGET2,	       	 41)
166   RELOC_NUMBER (R_ARM_PREL31,	       	 42)
167   RELOC_NUMBER (R_ARM_MOVW_ABS_NC,     	 43)
168   RELOC_NUMBER (R_ARM_MOVT_ABS,        	 44)
169   RELOC_NUMBER (R_ARM_MOVW_PREL_NC,    	 45)
170   RELOC_NUMBER (R_ARM_MOVT_PREL,       	 46)
171   RELOC_NUMBER (R_ARM_THM_MOVW_ABS_NC, 	 47)
172   RELOC_NUMBER (R_ARM_THM_MOVT_ABS,    	 48)
173   RELOC_NUMBER (R_ARM_THM_MOVW_PREL_NC,	 49)
174   RELOC_NUMBER (R_ARM_THM_MOVT_PREL,   	 50)
175   RELOC_NUMBER (R_ARM_THM_JUMP19,      	 51)
176   RELOC_NUMBER (R_ARM_THM_JUMP6,       	 52)
177   RELOC_NUMBER (R_ARM_THM_ALU_PREL_11_0, 53)
178   RELOC_NUMBER (R_ARM_THM_PC12,        	 54)
179   RELOC_NUMBER (R_ARM_ABS32_NOI,       	 55)
180   RELOC_NUMBER (R_ARM_REL32_NOI,       	 56)
181   RELOC_NUMBER (R_ARM_ALU_PC_G0_NC,      57)
182   RELOC_NUMBER (R_ARM_ALU_PC_G0,         58)
183   RELOC_NUMBER (R_ARM_ALU_PC_G1_NC,      59)
184   RELOC_NUMBER (R_ARM_ALU_PC_G1,         60)
185   RELOC_NUMBER (R_ARM_ALU_PC_G2,         61)
186   RELOC_NUMBER (R_ARM_LDR_PC_G1,         62)
187   RELOC_NUMBER (R_ARM_LDR_PC_G2,         63)
188   RELOC_NUMBER (R_ARM_LDRS_PC_G0,        64)
189   RELOC_NUMBER (R_ARM_LDRS_PC_G1,        65)
190   RELOC_NUMBER (R_ARM_LDRS_PC_G2,        66)
191   RELOC_NUMBER (R_ARM_LDC_PC_G0,         67)
192   RELOC_NUMBER (R_ARM_LDC_PC_G1,         68)
193   RELOC_NUMBER (R_ARM_LDC_PC_G2,         69)
194   RELOC_NUMBER (R_ARM_ALU_SB_G0_NC,      70)
195   RELOC_NUMBER (R_ARM_ALU_SB_G0,         71)
196   RELOC_NUMBER (R_ARM_ALU_SB_G1_NC,      72)
197   RELOC_NUMBER (R_ARM_ALU_SB_G1,         73)
198   RELOC_NUMBER (R_ARM_ALU_SB_G2,         74)
199   RELOC_NUMBER (R_ARM_LDR_SB_G0,         75)
200   RELOC_NUMBER (R_ARM_LDR_SB_G1,         76)
201   RELOC_NUMBER (R_ARM_LDR_SB_G2,         77)
202   RELOC_NUMBER (R_ARM_LDRS_SB_G0,        78)
203   RELOC_NUMBER (R_ARM_LDRS_SB_G1,        79)
204   RELOC_NUMBER (R_ARM_LDRS_SB_G2,        80)
205   RELOC_NUMBER (R_ARM_LDC_SB_G0,         81)
206   RELOC_NUMBER (R_ARM_LDC_SB_G1,         82)
207   RELOC_NUMBER (R_ARM_LDC_SB_G2,         83)
208   RELOC_NUMBER (R_ARM_MOVW_BREL_NC,    	 84)
209   RELOC_NUMBER (R_ARM_MOVT_BREL,       	 85)
210   RELOC_NUMBER (R_ARM_MOVW_BREL,       	 86)
211   RELOC_NUMBER (R_ARM_THM_MOVW_BREL_NC,	 87)
212   RELOC_NUMBER (R_ARM_THM_MOVT_BREL,   	 88)
213   RELOC_NUMBER (R_ARM_THM_MOVW_BREL,   	 89)
214   RELOC_NUMBER (R_ARM_TLS_GOTDESC,       90)
215   RELOC_NUMBER (R_ARM_TLS_CALL,          91)
216   RELOC_NUMBER (R_ARM_TLS_DESCSEQ,       92)
217   RELOC_NUMBER (R_ARM_THM_TLS_CALL,      93)
218   RELOC_NUMBER (R_ARM_PLT32_ABS,       	 94)
219   RELOC_NUMBER (R_ARM_GOT_ABS,	       	 95)
220   RELOC_NUMBER (R_ARM_GOT_PREL,	       	 96)
221   RELOC_NUMBER (R_ARM_GOT_BREL12,      	 97)
222   RELOC_NUMBER (R_ARM_GOTOFF12,	       	 98)
223   RELOC_NUMBER (R_ARM_GOTRELAX,	       	 99)
224   RELOC_NUMBER (R_ARM_GNU_VTENTRY,    	100)   /* deprecated - old C++ abi */
225   RELOC_NUMBER (R_ARM_GNU_VTINHERIT,  	101)   /* deprecated - old C++ abi */
226   RELOC_NUMBER (R_ARM_THM_JUMP11,     	102)
227   RELOC_NUMBER (R_ARM_THM_JUMP8,      	103)
228   RELOC_NUMBER (R_ARM_TLS_GD32,	      	104)
229   RELOC_NUMBER (R_ARM_TLS_LDM32,      	105)
230   RELOC_NUMBER (R_ARM_TLS_LDO32,      	106)
231   RELOC_NUMBER (R_ARM_TLS_IE32,       	107)
232   RELOC_NUMBER (R_ARM_TLS_LE32,	      	108)
233   RELOC_NUMBER (R_ARM_TLS_LDO12,      	109)
234   RELOC_NUMBER (R_ARM_TLS_LE12,	      	110)
235   RELOC_NUMBER (R_ARM_TLS_IE12GP,     	111)
236   /* 112 - 127 private range */
237   RELOC_NUMBER (R_ARM_ME_TOO,	        128)   /* obsolete */
238   RELOC_NUMBER (R_ARM_THM_TLS_DESCSEQ  ,129)
239 
240   RELOC_NUMBER (R_ARM_THM_ALU_ABS_G0_NC,132)
241   RELOC_NUMBER (R_ARM_THM_ALU_ABS_G1_NC,133)
242   RELOC_NUMBER (R_ARM_THM_ALU_ABS_G2_NC,134)
243   RELOC_NUMBER (R_ARM_THM_ALU_ABS_G3_NC,135)
244   RELOC_NUMBER (R_ARM_THM_BF16,		136)
245   RELOC_NUMBER (R_ARM_THM_BF12,		137)
246   RELOC_NUMBER (R_ARM_THM_BF18,		138)
247 
248   RELOC_NUMBER (R_ARM_IRELATIVE,      	160)
249   RELOC_NUMBER (R_ARM_GOTFUNCDESC,    	161)
250   RELOC_NUMBER (R_ARM_GOTOFFFUNCDESC, 	162)
251   RELOC_NUMBER (R_ARM_FUNCDESC,       	163)
252   RELOC_NUMBER (R_ARM_FUNCDESC_VALUE, 	164)
253   RELOC_NUMBER (R_ARM_TLS_GD32_FDPIC,   165)
254   RELOC_NUMBER (R_ARM_TLS_LDM32_FDPIC,  166)
255   RELOC_NUMBER (R_ARM_TLS_IE32_FDPIC,   167)
256 
257   /* Extensions?  R=read-only?  */
258   RELOC_NUMBER (R_ARM_RXPC25,         	249)
259   RELOC_NUMBER (R_ARM_RSBREL32,       	250)
260   RELOC_NUMBER (R_ARM_THM_RPC22,      	251)
261   RELOC_NUMBER (R_ARM_RREL32,         	252)
262   RELOC_NUMBER (R_ARM_RABS32,         	253)
263   RELOC_NUMBER (R_ARM_RPC24,          	254)
264   RELOC_NUMBER (R_ARM_RBASE,          	255)
265 
266   /* Unofficial names for some of the relocs.  */
267   FAKE_RELOC (R_ARM_GOTOFF,             R_ARM_GOTOFF32)   /* 32 bit offset to GOT.  */
268   FAKE_RELOC (R_ARM_THM_PC22,           R_ARM_THM_CALL)
269   FAKE_RELOC (R_ARM_THM_PC11,           R_ARM_THM_JUMP11)
270   FAKE_RELOC (R_ARM_THM_PC9,            R_ARM_THM_JUMP8)
271 
272   /* Relocs with both a different name, and (apparently) different meaning in
273      GNU usage.  */
274   FAKE_RELOC (R_ARM_GOTPC,              R_ARM_BASE_PREL)  /* 32 bit PC relative offset to GOT.  */
275   FAKE_RELOC (R_ARM_GOT32,              R_ARM_GOT_BREL)   /* 32 bit GOT entry.  */
276   FAKE_RELOC (R_ARM_ROSEGREL32,         R_ARM_SBREL31)    /* ??? */
277   FAKE_RELOC (R_ARM_AMP_VCALL9,         R_ARM_BREL_ADJ)   /* Thumb-something.  Not used.  */
278 
279 END_RELOC_NUMBERS (R_ARM_max = 256)
280 
281 #ifdef BFD_ARCH_SIZE
282 /* EABI object attributes.  */
283 
284 enum
285 {
286   /* 0-3 are generic.  */
287   Tag_CPU_raw_name = 4,
288   Tag_CPU_name,
289   Tag_CPU_arch,
290   Tag_CPU_arch_profile,
291   Tag_ARM_ISA_use,
292   Tag_THUMB_ISA_use,
293   Tag_FP_arch,
294   Tag_WMMX_arch,
295   Tag_Advanced_SIMD_arch,
296   Tag_PCS_config,
297   Tag_ABI_PCS_R9_use,
298   Tag_ABI_PCS_RW_data,
299   Tag_ABI_PCS_RO_data,
300   Tag_ABI_PCS_GOT_use,
301   Tag_ABI_PCS_wchar_t,
302   Tag_ABI_FP_rounding,
303   Tag_ABI_FP_denormal,
304   Tag_ABI_FP_exceptions,
305   Tag_ABI_FP_user_exceptions,
306   Tag_ABI_FP_number_model,
307   Tag_ABI_align_needed,
308   Tag_ABI_align_preserved,
309   Tag_ABI_enum_size,
310   Tag_ABI_HardFP_use,
311   Tag_ABI_VFP_args,
312   Tag_ABI_WMMX_args,
313   Tag_ABI_optimization_goals,
314   Tag_ABI_FP_optimization_goals,
315   /* 32 is generic (Tag_compatibility).  */
316   Tag_undefined33 = 33,
317   Tag_CPU_unaligned_access,
318   Tag_undefined35,
319   Tag_FP_HP_extension,
320   Tag_undefined37,
321   Tag_ABI_FP_16bit_format,
322   Tag_undefined39,
323   Tag_undefined40,
324   Tag_undefined41,
325   Tag_MPextension_use,
326   Tag_undefined_43,
327   Tag_DIV_use,
328   Tag_DSP_extension = 46,
329   Tag_MVE_arch = 48,
330   Tag_nodefaults = 64,
331   Tag_also_compatible_with,
332   Tag_T2EE_use,
333   Tag_conformance,
334   Tag_Virtualization_use,
335   Tag_undefined69,
336   Tag_MPextension_use_legacy,
337 
338   /* The following tags are legacy names for other tags.  */
339   Tag_VFP_arch = Tag_FP_arch,
340   Tag_ABI_align8_needed = Tag_ABI_align_needed,
341   Tag_ABI_align8_preserved = Tag_ABI_align_preserved,
342   Tag_VFP_HP_extension = Tag_FP_HP_extension
343 };
344 
345 /* Values for Tag_ABI_FP_number_model.  */
346 enum
347 {
348   AEABI_FP_number_model_none = 0,
349   AEABI_FP_number_model_ieee754_number = 1,
350   AEABI_FP_number_model_rtabi = 2,
351   AEABI_FP_number_model_ieee754_all = 3
352 };
353 
354 /* Values for Tag_ABI_VFP_args.  */
355 enum
356 {
357   AEABI_VFP_args_base = 0,
358   AEABI_VFP_args_vfp = 1,
359   AEABI_VFP_args_toolchain = 2,
360   AEABI_VFP_args_compatible = 3
361 };
362 #endif
363 
364 /* The name of the note section used to identify arm variants.  */
365 #define ARM_NOTE_SECTION ".note.gnu.arm.ident"
366 
367 /* Special section names.  */
368 #define ELF_STRING_ARM_unwind           ".ARM.exidx"
369 #define ELF_STRING_ARM_unwind_info      ".ARM.extab"
370 #define ELF_STRING_ARM_unwind_once      ".gnu.linkonce.armexidx."
371 #define ELF_STRING_ARM_unwind_info_once ".gnu.linkonce.armextab."
372 
373 enum arm_st_branch_type {
374   ST_BRANCH_TO_ARM,
375   ST_BRANCH_TO_THUMB,
376   ST_BRANCH_LONG,
377   ST_BRANCH_UNKNOWN,
378   ST_BRANCH_ENUM_SIZE
379 };
380 
381 #define NUM_ENUM_ARM_ST_BRANCH_TYPE_BITS 2
382 #define ENUM_ARM_ST_BRANCH_TYPE_BITMASK	\
383   ((1 << NUM_ENUM_ARM_ST_BRANCH_TYPE_BITS) - 1)
384 
385 #define ARM_GET_SYM_BRANCH_TYPE(STI) \
386   ((enum arm_st_branch_type) ((STI) & ENUM_ARM_ST_BRANCH_TYPE_BITMASK))
387 #ifdef BFD_ASSERT
388 #define ARM_SET_SYM_BRANCH_TYPE(STI, TYPE)			\
389   do {								\
390     BFD_ASSERT (TYPE <= ST_BRANCH_ENUM_SIZE);			\
391     BFD_ASSERT ((1 << NUM_ENUM_ARM_ST_BRANCH_TYPE_BITS)		\
392 		>= ST_BRANCH_ENUM_SIZE);			\
393     (STI) = (((STI) & ~ENUM_ARM_ST_BRANCH_TYPE_BITMASK)		\
394 	     | ((TYPE) & ENUM_ARM_ST_BRANCH_TYPE_BITMASK));	\
395   } while (0)
396 #else
397 #define ARM_SET_SYM_BRANCH_TYPE(STI, TYPE)			\
398   (STI) = (((STI) & ~ENUM_ARM_ST_BRANCH_TYPE_BITMASK)		\
399 	   | ((TYPE) & ENUM_ARM_ST_BRANCH_TYPE_BITMASK))
400 #endif
401 
402 #endif /* _ELF_ARM_H */
403